function [C I] = testKmeans3( str, k, iter)
filename = ['E:\Fun\SeniorThesis\images\color\',str];
f = double(imread(filename));
F = shiftdim(f,2);
if nargin ==3
[C I] = Kmeans3(F,k,iter);
else
[C I] = Kmeans3(F,k);
end
imshow(I,[])
end